Fair Value (Details 2) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Recorded Investment	$ 6,680	$ 5,536
Commercial real estate | Commercial real estate, Farmland | Fair Value, Measurements, Nonrecurring
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Recorded Investment	251
Residential Real Estate | Fair Value, Measurements, Nonrecurring
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Recorded Investment	1,604	740
Commercial | Commercial, Commercial and industrial | Fair Value, Measurements, Nonrecurring
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Recorded Investment	8
Consumer | Fair Value, Measurements, Nonrecurring
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Recorded Investment	22	2
Quoted Prices in Active Markets for Identical Assets (Level 1) | Commercial real estate | Commercial real estate, Farmland | Fair Value, Measurements, Nonrecurring
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Recorded Investment	0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Residential Real Estate | Fair Value, Measurements, Nonrecurring
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Recorded Investment	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Commercial | Commercial, Commercial and industrial | Fair Value, Measurements, Nonrecurring
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Recorded Investment	0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Consumer | Fair Value, Measurements, Nonrecurring
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Recorded Investment	0	0
Significant Other Observable Inputs (Level 2) | Commercial real estate | Commercial real estate, Farmland | Fair Value, Measurements, Nonrecurring
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Recorded Investment	0
Significant Other Observable Inputs (Level 2) | Residential Real Estate | Fair Value, Measurements, Nonrecurring
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Recorded Investment	0	0
Significant Other Observable Inputs (Level 2) | Commercial | Commercial, Commercial and industrial | Fair Value, Measurements, Nonrecurring
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Recorded Investment	0
Significant Other Observable Inputs (Level 2) | Consumer | Fair Value, Measurements, Nonrecurring
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Recorded Investment	0	0
Significant Unobservable Inputs (Level 3) | Commercial real estate | Commercial real estate, Farmland | Fair Value, Measurements, Nonrecurring
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Recorded Investment	251
Significant Unobservable Inputs (Level 3) | Residential Real Estate | Fair Value, Measurements, Nonrecurring
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Recorded Investment	1,604	740
Significant Unobservable Inputs (Level 3) | Commercial | Commercial, Commercial and industrial | Fair Value, Measurements, Nonrecurring
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Recorded Investment	8
Significant Unobservable Inputs (Level 3) | Consumer | Fair Value, Measurements, Nonrecurring
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Recorded Investment	$ 22	$ 2